Question 809644
First number is 6.
General term is 6+(n-1)6.  If this does not immediately make sense, then  determine the first four or five terms and look for the pattern.  n is the index of the term in the sequence.


What is the 7th term?  Let n=7 in the general term and compute.
6+(7-1)6
6+(6)(6)
6+36
42.